The Washer,spring Tension, cataloged under National Stock Number 5310-00-536-6870, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Barnes Group Inc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-536-6870 |
| Primary Part Number | B0250-009S |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Barnes Group Inc |
| Status | ACTIVE |
| Style Designator | SPRING TENSION |
| Material Document and Classification | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.250 INCHES MAXIMUM IN |
| Material Thickness | 0.0071 INCHES MINIMUM AND 0.0101 INCHES MAXIMUM IN |
| Material | STEEL COMP 302 OVERALL |
| Hole Diameter | 0.125 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| B0250-009S PRIMARY | Barnes Group Inc (USA) |
| 001-050513-000 | Insitu, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 6086401-1 | 5/9 Secondary reference Lockheed Martin Corporation Div Rotary and Mission Systems |
| 934019 | 7/2 Vendor item drawing reference Lockheed Martin Corp Electronics and Missiles Div |
| K92-0046 | C/1 Advisory reference — outside the item-of-supply concept Ward Leonard Ct Llc |
| 71010635001 | 5/9 Secondary reference U.S. Government activity |
| B0250-009-S | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 240808 | 5/9 Secondary reference Lockheed Martin Corp Electronics and Missiles Div |
NSN 5310-00-536-6870 is a Washer,spring Tension, manufactured by Barnes Group Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-536-6870 has 2 manufacturer part numbers on file: B0250-009S (Barnes Group Inc), 001-050513-000 (Insitu, Inc.).
Key specifications for B0250-009S: Overall Height: 0.0172 INCHES NOMINAL IN; Style Designator: SPRING TENSION; Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.250 INCHES MAXIMUM IN. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.